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首页> 外文期刊>Plant Growth Regulation >Parthenocarpic fruit set in triploid watermelon induced by CPPUand 2,4-D applications
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Parthenocarpic fruit set in triploid watermelon induced by CPPUand 2,4-D applications

机译：CPPU和2,4-D作用诱导三倍体西瓜单性结实

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摘要

The localized application of the synthetic cytokinin CPPU ((2-chloro-4-pyridyl)-N-phenyl urea) to ovaries at flower opening was as effective as free pollination in setting parthenocarpic fruit in the triploid watermelon cultivar ‘Reina de Corazones’, and increased yield per unit land area by at least 50%, simply due to the lack of requirement for diploid pollen producing plants within the orchard. The application of the synthetic auxin 2,4-D (2,4-dichlorophenoxy acetic acid) as a full coverage spray, was also effective in setting fruit; total yield was however 10% smaller than in the CPPU-treated plots, but the cost of application was much less expensive. These applications had no adverse effect on fruit quality, and their effectiveness in commercial watermelon production was evaluated over 4 years. Localized applications of 2,4-D to ovaries were less effective in setting fruit, and increased hollow fruit.
机译：在三倍体西瓜品种'Reina de Corazones'的单性结实果实中，将合成的细胞分裂素CPPU（（2-氯-4-吡啶基）-N-苯基脲）在卵巢上局部应用与自由授粉一样有效，并且由于果园内对二倍体花粉生产植物的需求不足，单位土地面积的产量至少提高了50％。合成植物生长素2,4-D（2,4-二氯苯氧基乙酸）作为全覆盖喷雾剂的应用也可以有效地固果。然而，总产量比CPPU处理的地块小10％，但是使用成本却便宜得多。这些应用对水果品质没有不利影响，并且在4年中评估了它们在商业西瓜生产中的有效性。 2，4-D在卵巢上的局部应用对坐果效果不佳，并且增加了空心果。

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